Describe the two groups into which addition and subtraction problems with decimals and/or mixed decimals can be divided for instructional purposes

What will be an ideal response?


Addition and subtraction problems with decimals and/or mixed decimals can be divided into two groups for instructional purposes. The first group contains those problems in which each numeral in the problem has the same number of decimal places. The second group is composed of those problems in which the addends (in an addition problem) or the minuend and subtrahend (in a subtraction problem) have different numbers of digits after the decimal point.

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